More Software Like AstroNav 1.1.6

GrandTour

Accurate, flexible wireframe simulator for the Voyager and Giotto space missions, with animation capability. Developed at JPL for science/navigation, and filmed by the BBC/NOVA. Conveniently runs from any Windows/DOS.

2011 Nautical Almanac

Complete 2011 Nautical Almanac in pdf format. Includes monthly star charts with the planet's positions.

Aciqra

Aciqra is a free and open source virtual planetarium and sky mapping program which tracks celestial bodies including planets, deep sky objects and stars.